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Give detail about criteria of purity ?
There are thirty (30) electrons in benzene. This contains 24 carbon electrons and 6 hydrogen electrons. There are 12 electrons shared among C and H, and 18 among C and C. (6 electr
write about deutorium
Nitrogen Containing Compounds The important nitrogen consisting of organic compounds that are alkyl nitrites (RONO), nitro-alkanes (RNO 2 ), amines (- NH 2 ), aromatic nitro co
Q. What is Geometrical isomers? Let us take one final example of Ma 2 b 2 cd where the following five isomers are possible as shown in Fig. 'When writing the geometrica
What are the objectives of heat treatment of metals? Objectives of heat treatment- Cause relief of internal stresses developed during cold working, welding, forging, cas
A filled or half-filled set of p or d -orbitals is spherically symmetric. Point out the species which has spherical symmetry: (1) Na (2) C
what makes gum chewy
What are distinguishing characteristics of metallic bonding? Metallic state can be visualized like an array of positive ions, with a common pool of electrons to
A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C. 1500 kJ must be extracted from the hou
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